Solo 401 K Contribution Limits 2024. This limit is $345,000 in 2024, $330,000 in 2023, $305,000 in 2022, $290,000 in 2021, $285,000 in 2020 and $280,000 in 2019 and is adjusted annually. For 2023, the solo 401 (k) contribution limits are $66,000 or $73,500 if you are at least age 50.

This limit is $345,000 in 2024, $330,000 in 2023, $305,000 in 2022, $290,000 in 2021, $285,000 in 2020 and $280,000 in 2019 and is adjusted annually. The current solo 401 (k) contribution limit is the same as an employer 401 (k) plan: